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Astrobase | Amateur astrophotography — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
anysllum.com ↗	71 match 1 shared topics	Anysllum Observatory — Astrophotography from Àger	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
stackingstarlight.com ↗	71 match 1 shared topics	Astrophotography — The Science of Starlight	en	space-and-astronomy	robots llmsaihumans	emailphone	none
sseaindia.com ↗	70 match 1 shared topics	Sandhu Scientific \| Premium Telescopes & Astrophotography Equipment	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
star-astro.com ↗	69 match 1 shared topics	STA-R astrophotography – The Universe at a glance	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
fabianastro.com ↗	69 match 1 shared topics	Fabian Rodriguez FRUSTAGLIA Astrophotography - About me	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
stargazerpaul.com ↗	69 match 1 shared topics	Paul Derrick's Stargazer for Amateur Astronomy	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
bas-astro.org ↗	68 match 1 shared topics	The Birmingham Astronomical Society \| Astronomy, Astrophotography, and Space Enthusiasts in Birmingham Alabama \| Birmingham, AL, USA	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
starshiptimemachine.com ↗	68 match 1 shared topics	Starship Time machine – A place to share my amateur telescope time travels through the cosmos, featuring personal astrophotography journeys and discoveries.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cometography.com ↗	66 match 1 shared topics	Cometography	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
britastro.com ↗	66 match 1 shared topics	British Astronomical Association – Supporting amateur astronomers since 1890	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
3ap.org ↗	66 match 1 shared topics	Amateur Astronomers Association of Pittsburgh – Your Bridge to the Stars	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	partial · 8
2funnyastronauts.com ↗	65 match 1 shared topics	2 Funny Astronauts \| 2 Funny Astronauts	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cumberlandastro.org ↗	65 match 1 shared topics	Homepage \| Cumberland Astro	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
stargazingpro.com ↗	65 match 1 shared topics	Stargazing Pro \| Astronomy For All	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astroacademy.org.uk ↗	65 match 1 shared topics	Astro Academy: Principia - Astro Academy: Principia	United Kingdom en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
astronomyedinburgh.org ↗	65 match 1 shared topics	Astronomy in Edinburgh - Astronomical Society of Edinburgh	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
omahaastro.com ↗	65 match 1 shared topics	Omaha Astronomical Society	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astronomics.com ↗	65 match 1 shared topics	Astronomics Scientific & Astronomical Gear	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.